Endotracheal tube adaptor



FIG. 1 is a perspective view of an endotracheal tube adaptor showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showing in FIG. 6 and in FIG. 7 illustrates portions of the endotracheal tube adaptor and forms no part of the claimed design. 

CLAIM An ornamental design for an endotracheal tube adaptor, as shown and described. 